Home / 30,240,938.80-45,361,408.20-11,072,321.20

Finding the Fourth Proportional to 30,240,938.80, 45,361,408.20 and 11,072,321.20

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Solution

The fourth proportional to 30,240,938.80, 45,361,408.20 and 11,072,321.20 is: 16,608,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,938.80 : 45,361,408.20 = 11,072,321.20 : x
  2. Step 2: Convert to fraction form
    30,240,938.80/45,361,408.20 = 11,072,321.20/x
  3. Step 3: Cross multiply
    30,240,938.80x = 45,361,408.20 × 11,072,321.20
  4. Step 4: Simplify right side
    30,240,938.80x = 502,256,081,674,713.81
  5. Step 5: Solve for x
    x = 502,256,081,674,713.81/30,240,938.80
  6. Step 6: Final answer
    x = 16,608,481.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.